2021-2022学年辽宁省抚顺本溪铁岭辽阳葫芦岛市中考联考数学试卷含解析及点睛

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175x-3y=0ᓄxY,x-y=-10x=15Yy=25x=15,y=lx+yH஺X+)+10H0,.•.x=15,y=lZḄᔠ⚪.(x=15,y=l.ூIJ௃,⚪ὃ0ᭆ᳛Ḅh(᝞rᨵnḄឋᐸ7AmXr¡¢AḄᭆ᳛P(A)=—.n24ஹx=-2ூ᪆௃ூᑖ᪆௃ᐜ¤ᑖ¥¦ᑖ{ᓄ=ᐗ-ᐗ-᪷.ூ¨௃(¤ᑖ¥Y(X(X+3)-3=X2-9Y(x=-2(¦x=-2©ᐭX2-9=—5#0ᡠR(Ḅ=x=—2ூIJ௃!⚪ὃ᪶¬I({.⚪ᐵ\I(¤ᑖ¥Yᑮᐗ-.᪷Z⌕I.